Mayer's test
[医] 迈尔氏试验(检生物硷)
🧩 词语组成解析
🗣️ 情景例句
It's eleven thirty.
十一 点半。
What skill! What luck! What fun!
多有本事！多么走运！多令人兴奋！
Because the equipment for adding sound to films had not yet been developed.
因为给电影配音的设备还没有研制出来。